Specifications

ROOF W STEEL STRIP

W STEEL STRAP,also called roof steel strip,is cold sealed by high alloy plates and composed of integrity jointly combined with all kinds of bolt anchor,is the best choice of weak rocks and coal roog control.it is widely used in coal mine roadway,cut,and other fields of roadway roack surrounding.it got better efficancy on unstable surrounding rocks.

Materials:Q235,Q345

SPEC.:140,160,180,200,220,240,250,270,280,300,320.

           THICKNESS:2.5--6.0MM